Model: GLM 100-25 C. Digital Viewfinder: Integrated. Data Transfer: Bluetooth™ 4.2 Low Energy. Laser Diode: 650 nm, < 1 mW. Laser Color: Red. Key Features. Size (W x H x D): 64 × 142 × 28 mm (2.5 × 5.5 × 1.1 in).
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